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Cocaine dependence is an insidious disease underscored by a powerful proclivity to relapse despite an individual's ability to recognize the deleterious consequences of continued drug use. To date, there are only a limited number of treatments, and no FDA approved medications for the treatment of cocaine dependence. Attempts to find reliable and successful treatments for cocaine dependence may be marred by gender differences in brain chemistry, structure, and function that are manifested as drug craving and relapse. For example, cues, drug exposure, and stress promote relapse, yet females appear be more susceptible to stress induced relapse, while males may be more susceptible to cue induced relapse. Therefore identifying the neural substrates involved in processing the valence of internal and external stimuli may provide further insight into cocaine dependence and provide more effective therapeutic strategies aimed at preventing relapse.
Corticotropin releasing hormone (CRH) is a pharmacological activator of the hypothalamic pituitary adrenal (HPA) axis, and has been implicated in stress induced drug relapse. Corticotropin releasing hormone receptors are located at extrahypothalamic brain nuclei that have been implicated in determining the significance of both internal (somatic) and external (environmental) stimuli. The primary directive of this pilot project is to utilize functional magnetic resonance imaging (fMRI) to identify possible brain nuclei associated with with stress induced drug craving in cocaine dependent females.
Observational Model: Case Control, Time Perspective: Prospective
Clinical Neurosciences Division-Medical University of South Carolina
Medical University of South Carolina
Published on BioPortfolio: 2014-08-27T03:27:33-0400
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The goal of this this study is to elucidate the role of the HPA axis in the pathophysiology of cocaine dependence
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The purified, alkaloidal, extra-potent form of cocaine. It is smoked (free-based), injected intravenously, and orally ingested. Use of crack results in alterations in function of the cardiovascular system, the autonomic nervous system, the central nervous system, and the gastrointestinal system. The slang term "crack" was derived from the crackling sound made upon igniting of this form of cocaine for smoking.
SMOKING of COCAINE.
Disorders related or resulting from use of cocaine.
An alkaloid ester extracted from the leaves of plants including coca. It is a local anesthetic and vasoconstrictor and is clinically used for that purpose, particularly in the eye, ear, nose, and throat. It also has powerful central nervous system effects similar to the amphetamines and is a drug of abuse. Cocaine, like amphetamines, acts by multiple mechanisms on brain catecholaminergic neurons; the mechanism of its reinforcing effects is thought to involve inhibition of dopamine uptake.
Strong physiological and emotional dependence on OPIUM.
Clinical Approvals Clinical Trials Drug Approvals Drug Delivery Drug Discovery Generics Drugs Prescription Drugs In the fields of medicine, biotechnology and pharmacology, drug discovery is the process by which drugs are dis...
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